Verbena rigida
Prairie Verbena, Sandpaper V.
Description
Rough dark green leaves, vivid purple flowers spring and summer. When it starts to look ragged, cut it back to the ground. Will even bloom some during winters. Grows to 2' x 4'. Native to South America, but naturalized across the Southwest. Rapid grower. Produces color over a long season spring thru summer. Perhaps the hardiest. Long lived. Can be cut back severly after bloom.
Sun
Full, Half
Water
Medium
Growth Rate
Moderate
Soil Type
Sandy, Clay, Loam, Rocky, Unparticular
Soil Condition
Average, Rich, Poor, Well-drained
Soil pH
Neutral, Basic
Adverse Factors
Invasive
Adjust the water pressure of you irrigation system.
Spray sprinklers work best at 30 pounds per square inch (psi), and gear and impact rotor sprinklers at 40-60 psi.